Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ7HM callsign genealogy
Currently held by Wacker, John F
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AJ7HM's current licensee, walking backwards.
- Wacker, John FWAgranted 2025-09-24cancelled 2025-11-20
Successor callsigns
Callsigns held now by people who previously held AJ7HM.
- Wacker, John FWAgranted 2026-01-03